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Single Family ResidenceResidential
$527,115$356 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $475,000 on Feb 13, 2025

421 N CASTELL AVE

ROCHESTER, MI 48307
2
Beds
2.5
Baths
1,480 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1922
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$527K
$482K low$573K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$475,000 · Feb 13, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,991 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$212,740 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$210,310
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$425,480

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyOAKLAND
Lot (acres)The size of the land the home sits on, from county records.0.14
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 36 ft²Patio · 36 ft²Porch · 18 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
McGregor Elementary SchoolB+
Elementary · Grades PK–5 · 0.5 mi
H
Rochester High SchoolA
High · Grades 9–12 · 0.6 mi
M
West Middle SchoolA+
Middle · Grades 6–8 · 1.6 mi

District: Rochester Community School District

Neighborhood · ZIP 48307These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.45,245
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,950 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,674
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,625
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.32 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.53%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

421 N Castell Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 74% of homes in Oakland County
  • Costs more per square foot than 95% of homes in Rochester 48307
  • Has a smaller lot than 96% of homes in Rochester 48307
  • Older than 97% of homes in Rochester 48307

What homes are worth in Rochester 48307

Each bar is how many homes fall in that price range. The marker is this home.

This home
$167K$979K

This home is worth more than 68% of homes in Rochester 48307.

How it measures up in Rochester 48307

The dot is this home. The mark in the middle is the typical home in Rochester 48307.

Estimated value$527,115
CheaperTypical $435,309Pricier

Pricier than 68% of homes nearby

Price per ft²$356
CheaperTypical $236Pricier

Pricier than 95% of homes nearby

Living area1,480 ft²
SmallerTypical 1,699 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.14 ac
SmallerTypical 0.28 acBigger

Bigger than 4% of homes nearby

Year built1922
OlderTypical 1985Newer

Newer than 3% of homes nearby

How 421 N Castell Ave ranks against every home in each area.
MeasureThis homeRochester 48307Oakland County
Estimated valuepricier than$527,11568% of homes74% of homes
Price per ft²pricier than$35695% of homes95% of homes
Living areabigger than1,480 ft²37% of homes39% of homes
Lot sizebigger than0.14 ac4% of homes15% of homes
Year builtnewer than19223% of homes3% of homes

About 421 N Castell Ave

How much is 421 N Castell Ave, Rochester, MI worth?

The TopHap Estimate for 421 N Castell Ave, Rochester, MI is $527,115 as of Sep 24, 2026. The likely range is $481,599 to $572,631. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 N Castell Ave, Rochester, MI last sell?

421 N Castell Ave, Rochester, MI last sold on Feb 13, 2025 for $475,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 421 N Castell Ave, Rochester, MI?

421 N Castell Ave, Rochester, MI has 2 bedrooms, 2.5 bathrooms, 1,480 square feet of living space and a 0.14-acre lot.

When was 421 N Castell Ave, Rochester, MI built?

421 N Castell Ave, Rochester, MI was built in 1922, making it 104 years old. It is a ranch home. The building has 1 story.

What schools serve 421 N Castell Ave, Rochester, MI?

421 N Castell Ave, Rochester, MI is assigned to McGregor Elementary School (elementary), rated B+; Rochester High School (high), rated A; West Middle School (middle), rated A+. All sit in Rochester Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 N Castell Ave, Rochester, MI compare to other homes in Rochester 48307?

Among the 13,583 homes in Rochester 48307, it is worth more than 68% of them ($527,115 against a typical $435,309), its price per square foot is higher than 95% of them ($356 against a typical $236), it is bigger than 37% of them (1,480 ft² against a typical 1,699 ft²), its lot is bigger than 4% of them (0.14 ac against a typical 0.28 ac) and it is newer than 3% of them (1922 against a typical 1985). Measured against all of Oakland County, it is worth more than 74% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 421 N Castell Ave, Rochester, MI?

The 2025 property tax bill for 421 N Castell Ave, Rochester, MI was $5,991. The county assessed it at $212,740.

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